“Per arch” means the price or service applies to one jaw at a time, either the upper teeth or the lower teeth, not both. When a dental office quotes dentures at $2,500 per arch, that’s the cost for a single set covering one jaw. If you need dentures for both your upper and lower teeth, you’d double that number.
What Counts as an Arch
Your mouth has two dental arches. The upper arch (maxillary) is formed by the teeth and bone of your upper jaw. The lower arch (mandibular) is the curved row of teeth along your lower jaw. Each arch functions as a separate unit in dentistry, which is why dentures, implants, and many other dental services are quoted individually for each one.
This distinction matters because many people only need a denture for one arch. You might have lost all your upper teeth but still have healthy lower teeth, or vice versa. Dentists bill and plan treatment for each arch independently, so “per arch” pricing lets you see exactly what you’re paying for without assuming you need both.
How Per-Arch Pricing Works
Traditional full dentures typically cost between $1,500 and $3,500 per arch. That means a complete set for both jaws could run $3,000 to $7,000. Insurance billing codes reinforce this structure: there are separate codes for a complete upper denture, a complete lower denture, an upper partial, and a lower partial. Your insurance plan will process and cover each arch as its own line item.
Implant-supported dentures follow the same per-arch model but at a higher price point. All-on-4 implant dentures generally fall between $15,000 and $30,000 per arch, so a full-mouth restoration with implants on both jaws could cost $30,000 to $60,000. The wide range depends on your location, the materials used, and how much preparatory work your jawbone needs.
Partial dentures are also priced per arch. These cost less than full dentures since they only replace some missing teeth in a given arch. The material plays a role too: flexible resin partials, metal-framework partials, and acrylic partials each carry different price tags, but all are quoted for one arch at a time.
One Arch vs. Both Arches
Getting a denture on just one arch is common, but it comes with some considerations. When a full upper denture sits opposite your natural lower teeth, the denture takes more of a beating than it would if it faced another denture. Natural teeth exert stronger, more uneven biting forces than dentures do, which can cause the denture to crack or break over time. Midline fractures of upper dentures are especially common in this scenario, occurring at roughly twice the rate of lower denture fractures.
The mismatch happens because natural teeth on the opposing arch may have shifted, tilted, or over-erupted into gaps over the years. These irregularities create unbalanced pressure on the denture during chewing, which weakens the acrylic base through repeated flexing. If your dentist recommends adjusting or restoring some of your natural teeth before making your denture, this is why. Correcting the opposing teeth first gives the denture a more stable bite and a longer lifespan.
When you need dentures on both arches, the two dentures are still made and fitted separately. Your dentist will take impressions, register your bite, and do try-ins for each arch. But the two are designed together so they align properly when your mouth closes.
What the Process Looks Like
Whether you’re getting one arch or two, expect three to five appointments spread over several weeks. The first visit is a consultation where your dentist evaluates your mouth and discusses options. Subsequent visits include taking digital or physical impressions of your arch, recording how your jaws come together, and trying in a wax or plastic prototype so you can see how the denture will look and feel before the final version is made.
Some people need extra try-in appointments to fine-tune the fit, especially if the jawbone has resorbed significantly. The final appointment is delivery day, when you receive the finished denture and your dentist checks the fit one more time. Each arch goes through this process, so if you’re getting both upper and lower dentures, some of these steps can be combined into the same visit, but the lab work for each arch is done separately.
Choosing One Arch or Two
Your decision depends on how many teeth you’re missing and where. If you still have a solid set of lower teeth but your upper teeth are gone or failing, a single upper denture is a straightforward solution. The upper arch is actually the easier one for traditional dentures because the palate (roof of your mouth) provides a broad surface for suction, giving the denture better retention.
Lower dentures are trickier. There’s less surface area for the denture to grip, and your tongue constantly pushes against it. This is one reason implant-supported options are especially popular for the lower arch. Even two implants in the lower jaw can dramatically improve how well a lower denture stays in place.
If both arches need treatment but your budget is tight, many people prioritize one arch first and add the second later. Since each arch is a standalone project with its own billing codes and treatment plan, this is a perfectly normal approach. Just let your dentist know your plan so they can design the first denture with the second one in mind.